.promotion-dialog {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.dialog-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.promotion-options {
  position: relative;
  display: flex;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.option {
  width: 60px;
  height: 60px;
  margin: 0 10px;
  cursor: pointer;
  transition: transform 0.2s;
}

.option:hover {
  transform: scale(1.1);
}

.promotion-piece-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}